2544379139 has 2 divisors, whose sum is σ = 2544379140. Its totient is φ = 2544379138.

The previous prime is 2544379127. The next prime is 2544379141. The reversal of 2544379139 is 9319734452.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2544379139 is a prime.

Together with 2544379141, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 2544379093 and 2544379102.

It is not a weakly prime, because it can be changed into another prime (2544379199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1272189569 + 1272189570.

It is an arithmetic number, because the mean of its divisors is an integer number (1272189570).

Almost surely, 2^2544379139 is an apocalyptic number.

2544379139 is a deficient number, since it is larger than the sum of its proper divisors (1).

2544379139 is an equidigital number, since it uses as much as digits as its factorization.

2544379139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 816480, while the sum is 47.

The square root of 2544379139 is about 50441.8391714656. The cubic root of 2544379139 is about 1365.1926519892.

The spelling of 2544379139 in words is "two billion, five hundred forty-four million, three hundred seventy-nine thousand, one hundred thirty-nine".